The lead class in Bootstrap is used to add emphasis to a paragraph.
You can try to run the following code to implement the lead class in Bootstrap −
<!DOCTYPE html> <html> <head> <title>Bootstrap lead class</title> <meta name = "viewport" content = "width = device-width, initial-scale = 1"> <link rel = "stylesheet" href = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css"> <script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> </head> <body> <h2>Lead Example</h2> <p class = "lead">This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is an example paragraph demonstrating the use of lead body copy. </p> </body> </html>